What traditional theory of the 1800s did charles darwin challenge

The theory of FIXITY OF SPECIES

Explanation:

The theory of fixity of species was a theory proposed  which states that all species remained on changed throughout history.

This theory was strongly rejected and opposed by the Evolution theory which believes the evolvement of species overtime in history. Charles Darwin was among the first scientist who strongly opposed/challenged this theory with his new evolutionary theory which was explained in details in Darwin's origin of species in 1859. other scientist who discarded the theory of fixity of species includes Alfred Russel Wallace, Aristotle and Lamarck.

answer; ///i believe that the correct answer is (a) the great depression

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.